title: [The changes of matrix metalloproteinase-9 expression in the gastric antral mucosa after Helicobacter pylori eradication: immunohistochemical study].
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D005753:Gastric Mucosa / Q000201:enzymology*; D005756:Gastritis / Q000188:drug therapy / Q000201:enzymology / Q000382:microbiology; D016481:Helicobacter Infections / Q000188:drug therapy / Q000201:enzymology* / Q000382:microbiology; D016480:Helicobacter pylori; D006801:Humans; D007150:Immunohistochemistry; D008297:Male; D020780:Matrix Metalloproteinase 9 / Q000378:metabolism*; D008875:Middle Aged; D010437:Peptic Ulcer / Q000188:drug therapy / Q000201:enzymology / Q000382:microbiology; D011706:Pyloric Antrum
chemical_list: D020780:Matrix Metalloproteinase 9